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HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 740 · 40 sums
TalentJR

The trick (Sankalana-Vyavakalanabhyam): Take the smaller number away from the bigger one, as many times as it goes. Now use the smaller number and what is left. Repeat until nothing is left: the last number before 0 is the HCF.

NameDateTime takenScore ___ / 40
  1. 1.HCF of 144 and 104 =
  2. 2.HCF of 84 and 48 =
  3. 3.HCF of 91 and 56 =
  4. 4.HCF of 77 and 63 =
  5. 5.HCF of 132 and 84 =
  6. 6.HCF of 36 and 52 =
  7. 7.HCF of 247 and 91 =
  8. 8.HCF of 143 and 78 =
  9. 9.HCF of 143 and 77 =
  10. 10.HCF of 36 and 342 =
  11. 11.HCF of 234 and 221 =
  12. 12.HCF of 208 and 160 =
  13. 13.HCF of 176 and 33 =
  14. 14.HCF of 380 and 247 =
  15. 15.HCF of 320 and 304 =
  16. 16.HCF of 130 and 190 =
  17. 17.HCF of 69 and 322 =
  18. 18.HCF of 60 and 9 =
  19. 19.HCF of 52 and 65 =
  20. 20.HCF of 57 and 361 =
  21. 21.HCF of 288 and 306 =
  22. 22.HCF of 16 and 76 =
  23. 23.HCF of 28 and 21 =
  24. 24.HCF of 64 and 48 =
  25. 25.HCF of 14 and 63 =
  26. 26.HCF of 120 and 264 =
  27. 27.HCF of 119 and 84 =
  28. 28.HCF of 24 and 39 =
  29. 29.HCF of 437 and 276 =
  30. 30.HCF of 126 and 147 =
  31. 31.HCF of 255 and 300 =
  32. 32.HCF of 437 and 184 =
  33. 33.HCF of 76 and 60 =
  34. 34.HCF of 36 and 27 =
  35. 35.HCF of 27 and 15 =
  36. 36.HCF of 21 and 119 =
  37. 37.HCF of 40 and 52 =
  38. 38.HCF of 108 and 228 =
  39. 39.HCF of 18 and 48 =
  40. 40.HCF of 85 and 25 =

Answer key

  1. 8
  2. 12
  3. 7
  4. 7
  5. 12
  6. 4
  7. 13
  8. 13
  9. 11
  10. 18
  11. 13
  12. 16
  13. 11
  14. 19
  15. 16
  16. 10
  17. 23
  18. 3
  19. 13
  20. 19
  21. 18
  22. 4
  23. 7
  24. 16
  25. 7
  26. 24
  27. 7
  28. 3
  29. 23
  30. 21
  31. 15
  32. 23
  33. 4
  34. 9
  35. 3
  36. 7
  37. 4
  38. 12
  39. 6
  40. 5

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